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Finding the Fourth Proportional to 366.55, 549.52 and 193.12

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Solution

The fourth proportional to 366.55, 549.52 and 193.12 is: 289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.55 : 549.52 = 193.12 : x
  2. Step 2: Convert to fraction form
    366.55/549.52 = 193.12/x
  3. Step 3: Cross multiply
    366.55x = 549.52 × 193.12
  4. Step 4: Simplify right side
    366.55x = 106,121.45
  5. Step 5: Solve for x
    x = 106,121.45/366.55
  6. Step 6: Final answer
    x = 289.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.